Keynes, uncertainty and interest rates

Brian Weatherson

Cambridge Journal of Economics, 2002, vol. 26, issue 1, 47-62

Abstract: Uncertainty plays an important role in The General Theory, particularly in the theory of interest rates. Keynes did not provide a theory of uncertainty, but he did make some enlightening remarks about the direction he thought such a theory should take. I argue that some modern innovations in the theory of probability allow us to build a theory which captures these Keynesian insights. If this is the right theory, however, uncertainty cannot carry its weight in Keynes's arguments. This does not mean that the conclusions of these arguments are necessarily mistaken; in their best formulation they may succeed with merely an appeal to risk. Copyright 2002, Oxford University Press.

Date: 2002
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